SLI option not showing

Seiter

Honorable
Dec 28, 2013
7
0
10,510
Ok , i recently picked up a second GTX 770 4gb, and no matter what i do i cant get them to SLI. both cards do work , and they are both detected by my system.
Things ive tried to fix this
-Re install drivers
-checking connections

anyone have any ideas about what i can do

Also specs
AMD 8320
Gigabyte 990fx-ud3
2 x Gigabyte Gtx 770 4gb
16gb ripjaws ram
Antec 900 watt HGC

This is what Nvidia control panel says
http://imgur.com/1Z1J7qy